<template>
	<div>
		<el-breadcrumb separator-class="el-icon-arrow-right">
			<el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
			<el-breadcrumb-item>用户管理</el-breadcrumb-item>
			<el-breadcrumb-item>用户列表</el-breadcrumb-item>
		</el-breadcrumb>

		<el-card>
			<el-row :gutter="20">
				<el-col :span="8">
					<el-input @clear="getUserList" clearable v-model="queryInfo.query" placeholder="请输入要查询的姓名">
						<el-button @click="getUserList" slot="append" icon="el-icon-search"></el-button>
					</el-input>
				</el-col>
				<el-col :span="4">
					<el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
				</el-col>
			</el-row>

			<el-table stripe border :data="userlist" style="width: 100%">
				<el-table-column type="index" label="#"></el-table-column>
				<el-table-column prop="username" label="姓名" width="180">
				</el-table-column>
				<el-table-column prop="email" label="邮箱" width="180">
				</el-table-column>
				<el-table-column prop="mobile" label="电话">
				</el-table-column>
				<el-table-column prop="role_name" label="角色">
				</el-table-column>
				<el-table-column label="状态">
					<template v-slot="scope">
						<el-switch @change="userStateChange(scope.row)" v-model="scope.row.mg_state"></el-switch>
					</template>
				</el-table-column>
				<el-table-column label="操作" width="180px">
					<template v-slot="scope">
						<el-tooltip :enterable="false" effect="dark" content="编辑角色" placement="top">
							<el-button @click="showEditDialog(scope.row.id)" size="mini" type="primary"
								icon="el-icon-edit"></el-button>
						</el-tooltip>
						<el-tooltip :enterable="false" effect="dark" content="删除角色" placement="top">
							<el-button @click="removeUserById(scope.row.id)" size="mini" type="danger"
								icon="el-icon-delete"></el-button>
						</el-tooltip>
						<el-tooltip :enterable="false" effect="dark" content="分配角色" placement="top">
							<el-button @click="setRole(scope.row)" size="mini" type="warning" icon="el-icon-setting">
							</el-button>
						</el-tooltip>
					</template>
				</el-table-column>
			</el-table>

			<el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
				:current-page="queryInfo.pagenum" :page-sizes="[1, 2, 5, 10]" :page-size="queryInfo.pagesize"
				layout="total, sizes, prev, pager, next, jumper" :total="total">
			</el-pagination>
		</el-card>

		<el-dialog @close="addDialogClosed" title="添加用户" :visible.sync="addDialogVisible" width="50%">
			<el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
				<el-form-item label="用户名" prop="username">
					<el-input v-model="addForm.username"></el-input>
				</el-form-item>
				<el-form-item label="密码" prop="password">
					<el-input v-model="addForm.password"></el-input>
				</el-form-item>
				<el-form-item label="邮箱" prop="email">
					<el-input v-model="addForm.email"></el-input>
				</el-form-item>
				<el-form-item label="手机" prop="mobile">
					<el-input v-model="addForm.mobile"></el-input>
				</el-form-item>
			</el-form>
			<span slot="footer" class="dialog-footer">
				<el-button @click="addDialogVisible = false">取 消</el-button>
				<el-button @click="addUser" type="primary">确 定</el-button>
			</span>
		</el-dialog>

		<el-dialog @close="editDialogClosed" title="修改用户" :visible.sync="editDialogVisible" width="50%">
			<el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
				<el-form-item label="用户名">
					<el-input disabled v-model="editForm.username"></el-input>
				</el-form-item>
				<el-form-item label="邮箱" prop="email">
					<el-input v-model="editForm.email"></el-input>
				</el-form-item>
				<el-form-item label="手机号" prop="mobile">
					<el-input v-model="editForm.mobile"></el-input>
				</el-form-item>
			</el-form>
			<span slot="footer" class="dialog-footer">
				<el-button @click="editDialogVisible = false">取 消</el-button>
				<el-button @click="editUserInfo" type="primary">确 定</el-button>
			</span>
		</el-dialog>

		<el-dialog @close="setRoleDialogClosed" title="分配角色" :visible.sync="setRoleDialogVisible" width="50%">
			<div>
				<p>当前的用户：{{userinfo.username}}</p>
				<p>当前的角色：{{userinfo.role_name}}</p>
				<p>分配新角色：
					<el-select v-model="selectedRoleId" placeholder="请选择">
						<el-option v-for="item in rolesList" :key="item.id" :label="item.roleName" :value="item.id">
						</el-option>
					</el-select>
				</p>
			</div>
			<span slot="footer" class="dialog-footer">
				<el-button @click="setRoleDialogVisible = false">取 消</el-button>
				<el-button type="primary" @click="saveRoleInfo">确 定</el-button>
			</span>
		</el-dialog>
	</div>
</template>

<script>
	export default {
		data() {
			var checkEmail = (rule, value, callback) => {
				const regEmail = /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/
				if (regEmail.test(value)) {
					return callback()
				}
				callback(new Error('请输入合法的邮箱'))
			}

			var checkMobile = (rule, value, callback) => {
				const regMobile = /^(13[0-9]|14[5|7]|15[0|1|2|3|5|6|7|8|9]|18[0|1|2|3|5|6|7|8|9])\d{8}$/
				if (regMobile.test(value)) {
					return callback()
				}
				callback(new Error('请输入正确的手机号'))
			}

			return {
				queryInfo: {
					query: '',
					pagenum: 1,
					pagesize: 2
				},
				userlist: [],
				total: 0,
				addDialogVisible: false,
				addForm: {},
				addFormRules: {
					username: [{
							required: true,
							message: '请输入用户名',
							trigger: 'blur'
						},
						{
							min: 3,
							max: 10,
							message: '长度在 3 到 10 个字符',
							trigger: 'blur'
						}
					],
					password: [{
							required: true,
							message: '请输入密码',
							trigger: 'blur'
						},
						{
							min: 6,
							max: 15,
							message: '长度在 6 到 15 个字符',
							trigger: 'blur'
						}
					],
					email: [{
							required: true,
							message: '请输入邮箱',
							trigger: 'blur'
						},
						{
							validator: checkEmail,
							trigger: 'blur'
						}
					],
					mobile: [{
							required: true,
							message: '请输入手机号',
							trigger: 'blur'
						},
						{
							validator: checkMobile,
							trigger: 'blur'
						}
					],
				},
				editDialogVisible: false,
				editForm: {},
				editFormRules: {
					email: [{
							required: true,
							message: '请输入邮箱',
							trigger: 'blur'
						},
						{
							validator: checkEmail,
							trigger: 'blur'
						}
					],
					mobile: [{
							required: true,
							message: '请输入手机号',
							trigger: 'blur'
						},
						{
							validator: checkMobile,
							trigger: 'blur'
						}
					],
				},
				setRoleDialogVisible: false,
				userinfo: {},
				rolesList: [],
				selectedRoleId: ''
			}
		},

		created() {
			this.getUserList()
		},

		methods: {
			async getUserList() {
				const {
					data: res
				} = await this.$request.get('users', {
					params: this.queryInfo
				})
				this.userlist = res.data.users
				this.total = res.data.total
			},

			handleSizeChange(newSize) {
				this.queryInfo.pagesize = newSize
				this.getUserList()
			},

			handleCurrentChange(newPage) {
				this.queryInfo.pagenum = newPage
				this.getUserList()
			},

			async userStateChange(userinfo) {
				const {
					data: res
				} = await this.$request.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
				if (res.meta.status !== 200) {
					userinfo.mg_state = !userinfo.mg_state
					return this.$message.error("更新用户状态失败")
				}
				this.$message.success("更新用户状态成功")
			},

			addDialogClosed() {
				this.$refs.addFormRef.resetFields()
			},

			addUser() {
				this.$refs.addFormRef.validate(async valid => {
					if (!valid) return
					const {
						data: res
					} = await this.$request.post('users', this.addForm)

					if (res.meta.status !== 201) {
						if (res.meta.status === 400) {
							this.$message.error("用户名已存在")
							return
						}
						this.$message.error("添加用户失败")
					}
					this.$message.success("添加用户成功")
					this.addDialogVisible = false
					this.getUserList()
				})
			},

			async showEditDialog(id) {
				const {
					data: res
				} = await this.$request.get(`users/${id}`)
				if (res.meta.status !== 200) {
					return this.$message.error("查询用户信息失败")
				}
				this.editForm = res.data
				this.editDialogVisible = true
			},

			editDialogClosed() {
				this.$refs.editFormRef.resetFields()
			},

			editUserInfo() {
				this.$refs.editFormRef.validate(async valid => {
					if (!valid) return
					const {
						data: res
					} = await this.$request.put(`users/${this.editForm.id}`, {
						email: this.editForm.email,
						mobile: this.editForm.mobile
					})

					if (res.meta.status !== 200) return this.$message.error("更新用户数据失败")
					this.$message.success("更新用户数据成功")
					this.getUserList()
					this.editDialogVisible = false
				})
			},

			async removeUserById(id) {
				const confirmResult = await this.$confirm('此操作将永久删除该角色, 是否继续?', '提示', {
					confirmButtonText: '确定',
					cancelButtonText: '取消',
					type: 'warning'
				}).catch(err => err)
				if (confirmResult !== 'confirm') {
					return this.$message.info("取消了删除")
				}

				const {
					data: res
				} = await this.$request.delete(`users/${id}`)
				if (res.meta.status !== 200) return this.$message.error("删除角色失败")
				this.$message.success("删除角色成功")
				this.getUserList()
			},

			async setRole(userinfo) {
				this.userinfo = userinfo
				const {
					data: res
				} = await this.$request.get("roles")

				if (res.meta.status !== 200) return this.$message.error("获取角色列表失败")

				this.rolesList = res.data
				this.setRoleDialogVisible = true
			},
			
			async saveRoleInfo() {
				if(!this.selectedRoleId) return this.$message.error("请先选择要分配的角色")
				const {data: res} = await this.$request.put(`users/${this.userinfo.id}/role`, {
					rid: this.selectedRoleId
				})
				if(res.meta.status !== 200) return this.$message.error("更新角色失败")
				this.$message.success("更新角色成功")
				this.getUserList()
				this.setRoleDialogVisible = false
			},
			
			setRoleDialogClosed() {
				this.selectedRoleId = ''
				this.userinfo = {}
			}
		},
	}
</script>

<style lang="less" scoped>

</style>
